List all manually banned IPs/Subnets.
curl --user myuser --data-binary '{"jsonrpc":"1.0","id":"1","method":"listbanned","params":[]}' -H 'content-type:text/plain;' http://127.0.0.1:8332/[
{
"address": "192.168.0.6/32",
"ban_created": 1713571767,
"banned_until": 1714176567
}
]